Finding the Fourth Proportional to 664,245.40, 996,368.10 and 264,947.80
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Solution
The fourth proportional to 664,245.40, 996,368.10 and 264,947.80 is: 397,421.70
Step by Step Solution
- Step 1: Write the proportion equation
664,245.40 : 996,368.10 = 264,947.80 : x - Step 2: Convert to fraction form
664,245.40/996,368.10 = 264,947.80/x - Step 3: Cross multiply
664,245.40x = 996,368.10 × 264,947.80 - Step 4: Simplify right side
664,245.40x = 263,985,536,085.18 - Step 5: Solve for x
x = 263,985,536,085.18/664,245.40 - Step 6: Final answer
x = 397,421.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.